import fetch from 'dva/fetch';

function parseJSON(response) {
  return response.json();
}

function checkStatus(response) {
  if (response.status >= 200 && response.status < 300) {
    return response;
  }

  const error = new Error(response.statusText);
  error.response = response;
  throw error;
}

/**
 * Requests a URL, returning a promise.
 *
 * @param  {string} url       The URL we want to request
 * @param  {object} [options] The options we want to pass to "fetch"
 * @return {object}           An object containing either "data" or "err"
 */
 export default function request(url, options) {
   return fetch(url, { ...options, headers: {
      'Content-Type': 'application/x-www-form-urlencoded;charset=utf-8',
  }})
  .then(checkStatus)
  .then(parseJSON)
  .then((data) => {
    if(data.status === '0'){
      return {data:data};
    } else {
      throw data;
    }
  })
  .catch((err) => ({ err }));
 }
